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    • MPEC 2012-S71 : 2012 SK50

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    M.P.E.C. 2012-S71                                Issued 2012 Sept. 25, 16:29 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.

             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2012 SK50

Observations:
     K12S50K* C2012 09 23.24455 23 37 48.06 +19 56 38.0          19.5  cES071704
     K12S50K  C2012 09 23.25914 23 37 54.58 +19 54 40.0          19.9  cES071704
     K12S50K  C2012 09 23.27397 23 38 01.23 +19 52 38.0          19.7  cES071704
     K12S50K  C2012 09 23.28884 23 38 07.97 +19 50 36.6          19.7  cES071704
     K12S50K KC2012 09 24.10996523 45 07.95 +17 56 31.9          19.2 VrES071H21
     K12S50K KC2012 09 24.11527423 45 10.41 +17 55 48.8          19.2 VrES071H21
     K12S50K KC2012 09 24.12057423 45 12.82 +17 55 04.6          19.2 VrES071H21
     K12S50K KC2012 09 24.12195323 45 13.47 +17 54 53.3          19.1 VrES071H21
     K12S50K KC2012 09 24.80372 23 50 51.97 +16 18 46.2                uES071J95
     K12S50K KC2012 09 24.80899 23 50 54.45 +16 18 02.4                uES071J95
     K12S50K KC2012 09 24.81578 23 50 57.64 +16 17 06.0          19.1 RuES071J95
     K12S50K KC2012 09 24.91697 23 51 44.30 +16 03 27.3          20.0 RuES071B49
     K12S50K KC2012 09 24.92364 23 51 47.27 +16 02 31.2          19.8 RuES071B49
     K12S50K KC2012 09 24.93246 23 51 51.20 +16 01 17.5          19.7 RuES071B49
     K12S50K KC2012 09 25.11299423 53 24.82 +15 36 03.4          19.4 RtES071711
     K12S50K KC2012 09 25.11631223 53 26.33 +15 35 36.1          19.3 RtES071711
     K12S50K KC2012 09 25.11962023 53 27.83 +15 35 08.8          19.4 RtES071711
     K12S50K KC2012 09 25.12293523 53 29.33 +15 34 41.3          19.3 RtES071711
     K12S50K  C2012 09 25.23419 23 54 19.44 +15 19 05.5          19.1 RcES071854
     K12S50K  C2012 09 25.23975 23 54 21.77 +15 18 21.7          19.1 RcES071854

Observer details:
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
    R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
    f/2.15 reflector + CCD.
711 McDonald Observatory.  Observer T. Lister.  1.0-m f/8 Ritchey-Chretien
    + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 Newtonian
    reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov.  0.61-m f/4.0
    astrograph + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2012 SK50                                                Earth MOID = 0.0566 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M  11.18231              (2000.0)            P               Q
n   0.66588039     Peri.  163.02589     +0.98595907     +0.16578024
a   1.2987889      Node   187.51734     -0.16540019     +0.95302435
e   0.1884338      Incl.    8.81150     -0.02296710     +0.25349853
P   1.48           H   24.8           G   0.15           U   7
Residuals in seconds of arc
120923 704  0.8+  1.3-    120924 H21  0.3+  0.3-    120925 711  0.2+  0.1-
120923 704  0.1-  0.2+    120924 J95  0.0   0.2+    120925 711  0.2+  0.0
120923 704  0.6-  0.1+    120924 J95  0.1-  0.0     120925 711  0.2+  0.1+
120923 704  0.1-  1.3+    120924 J95  0.3-  0.2-    120925 711  0.2+  0.0
120924 H21  0.1-  0.2-    120924 B49  0.1-  0.1+    120925 854 (4.5+  2.8-)
120924 H21  0.3+  0.3+    120924 B49  0.2+  0.1-    120925 854 (3.5+  0.1+)
120924 H21  0.0   0.3-    120924 B49  0.8+  0.1+

Ephemeris:
2012 SK50                a,e,i = 1.30, 0.19, 9                   q = 1.0541
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 08 26    20 20 42.8 +46 41 45   0.1046  1.0622   117.0    58.0    22.1
...
2012 09 10    21 44 34.1 +41 15 49   0.07209 1.0543   129.5    47.5    21.0
...
2012 09 18    22 51 50.9 +30 48 16   0.05997 1.0546   145.2    33.0    20.2
...
2012 09 24    23 44 07.0 +18 13 03   0.05658 1.0570   161.6    17.5    19.6
2012 09 25    23 52 21.5 +15 53 01   0.05663 1.0575   164.5    14.7    19.5
2012 09 26    00 00 23.2 +13 31 57   0.05687 1.0581   167.4    11.9    19.4
...
2012 10 02    00 43 05.8 +00 08 04   0.06214 1.0628   175.8     4.0    19.3
...
2012 10 10    01 24 21.6 -12 50 04   0.07751 1.0716   159.8    18.8    20.4
...
2012 10 25    02 05 59.1 -23 06 00   0.1211  1.0955   144.8    31.6    21.8

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-S71

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